The Collaborative International Dictionary of English v.0.48:
Druid \Dru"id\, n. [L. Druides; of Celtic origin; cf. Ir. &
Gael. draoi, druidh, magician, Druid, W. derwydd Druid.]
1. One of an order of priests which in ancient times existed
among certain branches of the Celtic race, especially
among the Gauls and Britons.
Note: The Druids superintended the affairs of religion and
morality, and exercised judicial functions. They
practiced divination and magic, and sacrificed human
victims as a part of their worship. They consisted of
three classes; the bards, the vates or prophets, and
the Druids proper, or priests. Their most sacred rites
were performed in the depths of oak forests or of
2. A member of a social and benevolent order, founded in
London in 1781, and professedly based on the traditions of
the ancient Druids. Lodges or groves of the society are
established in other countries.
Druid stones, a name given, in the south of England, to
weatherworn, rough pillars of gray sandstone scattered
over the chalk downs, but in other countries generally in
the form of circles, or in detached pillars.